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shave some bytes

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This commit is contained in:
Peter Ferrie 2021-10-14 12:08:50 -07:00
parent 158277745f
commit c6e13abb3b
2 changed files with 7 additions and 19 deletions
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2
src/constants.a
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@ -7,7 +7,7 @@
;
; LC RAM BANK 1
; D000..E789 - persistent data structures (gGlobalPrefsStore, gGamesListStore)
; E962..FFF1 - main program code
; E976..FFF1 - main program code
; FFF2..FFF9 - API functions and global constants available for main program
; code, prelaunchers, transition effects, &c.
; (Wait/UnwaitForVBL, MockingboardStuff, MachineStatus)

24
src/okvs.a
View File

@ -95,11 +95,13 @@ okvs_init
;------------------------------------------------------------------------------
; okvs_len
; okvs_len_imm
;
; in: A/Y = handle to storage space
; out: $WCOUNT contains number of keys in this store
; X preserved
; A, Y clobbered
; Z set if no keys
; $00/$01 clobbered
; $02/$03 clobbered
;------------------------------------------------------------------------------
@ -107,11 +109,13 @@ okvs_len
jsr GetStoreAddressFromAY
; PTR -> store
; Y = 0
okvs_len_imm
lda (PTR), y ; get number of keys in store (word)
sta WCOUNT
iny
lda (PTR), y
sta WCOUNT+1
ora WCOUNT
rts
;------------------------------------------------------------------------------
@ -242,16 +246,8 @@ okvs_get
jsr GetStoreAddress
; PTR -> store
; Y = 0
lda (PTR),y ; A = number of keys in store
sta WCOUNT
iny
lda (PTR),y
sta WCOUNT+1
bne +
dey
lda (PTR),y
jsr okvs_len_imm
beq @fail ; no keys, fail immediately
+
jsr incptr4
; PTR -> first record
+LDPARAMPTR 3, SRC ; SRC -> key we want to find
@ -433,16 +429,8 @@ okvs_iter_values
jsr GetStoreAddress
; PTR -> store
; Y = 0
lda (PTR),y ; get number of keys in store (word)
sta WCOUNT
iny
lda (PTR),y
sta WCOUNT+1
bne +
dey
lda (PTR),y
jsr okvs_len_imm
beq @exit ; no keys, exit immediately
+
+LDPARAMPTR 3, @callback
jsr incptr4
; PTR -> first record